Finding the Fourth Proportional to 163,336,820.70, 225,420,696.99 and 122,011,968.54
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Solution
The fourth proportional to 163,336,820.70, 225,420,696.99 and 122,011,968.54 is: 168,388,382.19
Step by Step Solution
- Step 1: Write the proportion equation
163,336,820.70 : 225,420,696.99 = 122,011,968.54 : x - Step 2: Convert to fraction form
163,336,820.70/225,420,696.99 = 122,011,968.54/x - Step 3: Cross multiply
163,336,820.70x = 225,420,696.99 × 122,011,968.54 - Step 4: Simplify right side
163,336,820.70x = 27,504,022,989,408,756 - Step 5: Solve for x
x = 27,504,022,989,408,756/163,336,820.70 - Step 6: Final answer
x = 168,388,382.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.